Results 31 to 40 of about 481,772 (339)

A theoretical study of ozone isotopic effects using a modified ab initio potential energy surface [PDF]

, 2002
A modified ab initio potential energy surface (PES) is used for calculations of ozone recombination and isotopic exchange rate constants. The calculated low-pressure isotopic effects on the ozone formation reaction are consistent with the experimental ...
Chen, Wei-Chen, Gao, Yi Qin, Marcus, R. A.   +2 more
core   +1 more source

On 2 - normed space valued paranormed null sequence space

Bibechana, 2013
In this paper we introduce and study a new class c0 ( S, α‾ , u‾ , ||. , .|| ) of sequences with values in 2- normed space as a generalization of basic null sequence space c0. We investigate some conditions pertaining to the containment relations of the
Narayan Prasad Pahari
doaj   +3 more sources

Embedding into discretely absolutely star-Lindelöf spaces II

Applied General Topology, 2009
A space X is discretely absolutely star-Lindelöf if for every open cover U of X and every dense subset D of X, there exists a countable subset F of D such that F is discrete closed in X and St(F, U) = X, where St(F, U) = S{U ∈ U : U ∩F 6= Ø}.
Yan-Kui Song
doaj   +1 more source

On the Properties of and Ionospheric Conditions Associated With a Mid‐Latitude Scintillation Event Observed Over Southern United States

Space Weather, 2021
While low and high‐latitude ionospheric scintillation have been extensively reported, significantly less information is available about the properties of and conditions leading to mid‐latitude scintillations.
F. S. Rodrigues, J. G. Socola, A. O. Moraes, C. Martinis, D. A. Hickey   +4 more
doaj   +1 more source

Integrated Polarization of Sources at lambda ~1m and New Rotation Measure Ambiguities

, 2011
We present an analysis of the polarization of compact radio sources from six pointings of the Westerbork Synthesis Radio Telescope (WSRT) at 350 MHz with 35% coverage in lambda^2.
Brown, Brown, Brown, Burn, Clarke, Condon, Damon Farnsworth, Feain, Haves, Johnston-Hollitt, Laing, Law, Lawrence Rudnick, O'Sullivan, Rudnick, Rudnick, Rudnick, Rudnick, Saripalli, Shea Brown, Simmons, Taylor, Tribble, Wall, Wolleben, Zavala   +25 more
core   +1 more source

Asphericity and clumpiness in the winds of Luminous Blue Variables

, 2005
We present the first systematic spectropolarimetric study of Luminous Blue Variables (LBVs) in the Galaxy and the Magellanic Clouds, in order to investigate the geometries of their winds.
Davies, Ben, Oudmaijer, Rene D., Vink, Jorick S.   +2 more
core   +2 more sources

Berry phases and pairing symmetry in Holstein-Hubbard polaron systems

, 1998
We study the tunneling dynamics of dopant-induced hole polarons which are self-localized by electron-phonon coupling in a two-dimensional antiferro- magnet.
A. A. Abrikosov, A. Auerbach, A. G. Loeser, A. Greco, A. Mathai, A. Nazarenko, A. S. Alexandrov, A. S. Alexandrov, A. S. Alexandrov, A.A. Abrikosov, A.A. Abrikosov, A.A. Abrikosov, A.A. Abrikosov, A.A. Abrikosov, A.J. Fedro, A.R. Bishop, B. Bäuml, B.G. Levi, C.-H. Pao, C.-H. Pao, C.-H. Pao, C.-X. Chen, C.C. Tsuei, D. Arovas, D. Emin, D. Emin, D. Emin, D. Emin, D. Emin, D. Emin, D. Emin, D. Loss, D. Poilblanc, D.A. Brawner, D.A. Wollman, D.E. Adelman, D.J. Scalapino, F.C. Zhang, G. Delacrétaz, G. Wellein, H. Ding, H. Fehske, H. Fehske, H. Röder, H.-B. Schüttler, H.-B. Schüttler, H.-B. Schüttler, H.-B. Schüttler, H.-B. Schüttler, H.-B. Schüttler, I.G. Lang, J. Ranninger, J. Song, J. Song, J. von Delft, J. Zhong, J. Zhong, J.H. Miller, Jr., J.M. Tranquada, J.P. Franck, J.P. Franck, J.P. Franck, J.P. Franck, J.P. Franck, J.P. Franck, J.R. Kirtley, K. Yonemitsu, K. Yonemitsu, K. Yonemitsu, K. Yonemitsu, L.A. Turkevich, M. Capone, M.K. Crawford, M.K. Crawford, N. Bulut, P.B. Allen, P.W. Anderson, R. Rajaraman, R. Zeyher, R.P. Feynman, S. Coleman, S. Ishihara, S.-W. Cheong, S.A. Trugman, T. Barnes, T. D. Holstein, T. D. Holstein, T. Egami, T. Holstein, T. Holstein, T. Sakai, V.J. Emery, W. Stephan, W.P. Su, Y. Endoh, Y.-S.M. Wu   +95 more
core   +1 more source

U-Space Concept of Operations: A Key Enabler for Opening Airspace to Emerging Low-Altitude Operations

Aerospace, 2020
Opening the sky to new classes of airspace user is a political and economic imperative for the European Union. Drone industries have a significant potential for economical growth according to the latest estimations.
Cristina Barrado, Mario Boyero, Luigi Brucculeri, Giancarlo Ferrara, Andrew Hately, Peter Hullah, David Martin-Marrero, Enric Pastor, Anthony Peter Rushton, Andreas Volkert   +9 more
doaj   +1 more source

Unmanned Aerial Traffic Management System Architecture for U-Space In-Flight Services

Applied Sciences, 2021
This paper presents a software architecture for Unmanned aerial system Traffic Management (UTM). The work is framed within the U-space ecosystem, which is the European initiative for UTM in the civil airspace.
Carlos Capitán, Héctor Pérez-León, Jesús Capitán, Ángel Castaño, Aníbal Ollero   +4 more
doaj   +1 more source

Galileo and EGNOS as an asset for UTM safety and security [PDF]

, 2019
GAUSS (Galileo-EGNOS as an Asset for UTM Safety and Security) is a H2020 project1 that aims at designing and developing high performance positioning systems for drones within the U-Space framework focusing on UAS (Unmanned Aircraft System) VLL (Very Low ...
Andrade-Cetto, Juan, Capitan, Carlos, Dontas, Ioannis, Jia, Huamin, Jimenez, Adrian, Kostaridis, Antonis, Oliveres, Enric, Tesfai, Ivan   +7 more
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